%0 Journal Article %A Abbassi, Hossein %A Nourouzi, Kourosh %T A note on the paper “Characterizations on 2-isometries”. %J International Journal of Open Problems in Computer Science and Mathematics. IJOPCM %D 2009 %P 572 %V 2 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IJOPCM_2009__2_4_226777/ %G en %F IJOPCM_2009__2_4_226777